SB 12.2.17
caracara-guror visnor
isvarasyakhilatmanah
dharma-tranaya sadhunam
janma karmapanuttaye
Translation:
Lord Visnu — the Supreme Personality of Godhead, the spiritual master of all moving and nonmoving living beings, and the Supreme Soul of all — takes birth to protect the principles of religion and to relieve His saintly devotees from the reactions of material work.